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a # b ক a আৰু b ৰ গুণফলৰ পৰা a বিয়োগ হিচাপে সংজ্ঞায়িত কৰক। 6 # 4 গণনা কৰক।

A24
B20
C18
D10
Answer & Solution
Correct answer: C. 18
6 × 4 = 24 আৰু 24 − 6 = 18।
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